<template>
    <div class="icons">
      <swiper :options="swiperOption">
        <swiper-slide v-for="(page,index) of pages" :key="index">
      <div class="icon"
           v-for="item of page"
           :key="item.id">
        <div class="icon-img">
        <img class="icon-img-content" :src="item.imgUrl" />
        </div>
        <p class="icon-desc">{{item.desc}}</p>
      </div>
        </swiper-slide>
      </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        return pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang='stylus' scoped>
@import "~@/assets/styles/varibles.styl";
@import "~@/assets/styles/mixins.styl";
.icons >>> .swiper-container{
  overflow: hidden;
  height: 0;
  padding-bottom: 50%;
}
.icon{
  position: relative;
  float: left;
  height: 0;
  overflow: hidden;
  width: 25%;
  padding-bottom: 25%;
}
.icon-img{
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom:.44rem;
  box-sizing: border-box;
  padding: .1rem;
}
.icon-img-content{
  display: block;
  height: 100%;
  margin: 0 auto;
}
.icon-desc{
  position: absolute;
  left: 0;
  right:0;
  bottom: 0;
  height: .44rem;
  line-height: .44rem;
  color: $darckTextColor;
  text-align: center;
  ellipsis()
}
</style>
